SSFA family
SSFA_a139_motorPositionSensorInvalid
Not Available
What does the SSFA_a139_motorPositionSensorInvalid alert mean?
One or more steering motor position sensor readings are invalid.
What you'll see in your Tesla
- Not Available
What triggers it
Any motor position sensor is deemed invalid, or readings from valid sensors disagree by more than allowed threshold.
When it clears
All motor position sensors must be valid and in agreement.
Potential impact
Invalid sensor readings could affect systems reliant on position data.
Affected models
Cybertruck
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Alerts like this reach MyTeslaMate through your car's Tesla telemetry API. MyTeslaMate logs every alert your Tesla reports and turns it into readable history and real-time notifications — hosted TeslaMate with no server to run.